CN104796988A - Resource allocation method and device - Google Patents
Resource allocation method and device Download PDFInfo
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- CN104796988A CN104796988A CN201410022918.6A CN201410022918A CN104796988A CN 104796988 A CN104796988 A CN 104796988A CN 201410022918 A CN201410022918 A CN 201410022918A CN 104796988 A CN104796988 A CN 104796988A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/20—Control channels or signalling for resource management
- H04W72/29—Control channels or signalling for resource management between an access point and the access point controlling device
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/50—Allocation or scheduling criteria for wireless resources
- H04W72/54—Allocation or scheduling criteria for wireless resources based on quality criteria
- H04W72/542—Allocation or scheduling criteria for wireless resources based on quality criteria using measured or perceived quality
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Abstract
The invention relates to the technical field of communication, and particularly relates to a resource allocation method and a device, so as to solve the problems that a centralized controller in the prior art carries out resource allocation only according to an RSRP (Reference Signal Receiving Power) value measured by UE (User Equipment), and thus the spectrum resource utilization efficiency is low. The method of the invention comprises steps: the centralized controller determines a strong signal adjacent region of at least one piece of UE in each cell of multiple cells; according to the determined strong signal adjacent region of each piece of UE, the centralized controller determines CSI-RS configuration information and CSI-IM configuration information for each piece of UE so as to indicate each piece of UE for CQI measurement, a CQI value is determined, and the determined CQI value is reported to an eNB (evolved Node B) of the cell; and the centralized controller carries out resource allocation for each piece of UE according to the CQI value of the at least one piece of UE sent by the eNB of each cell in multiple cells.
Description
Technical field
The present invention relates to communication technical field, particularly relate to a kind of resource allocation methods and device.
Background technology
Multi-cell cooperative communication can make full use of the resource of multiple community, is distributed and combine transfer of data effectively to promote the average and edge throughput in community by federated resource.In current Long Term Evolution (Long TermEvolution, LTE) system, minizone collaboration communication mainly contains two kinds of modes: centralized cooperation and distributed collaborative, the management of the main Dependency Set middle controller of centralized cooperation and control.
In the federated resource allocative decision of centralized cooperation, Centralized Controller is mainly according to multiple evolution base station (evolved Node B, eNB) subscriber equipment (the User Equipment reported, UE) Reference Signal Received Power (Reference Signal Receiving Power, RSRP) value, determine the strong signal adjacent area of each UE, when carrying out Resourse Distribute, the frequency resource that the strong signal adjacent area of this UE is used at this UE does not carry out transfer of data, thus avoids producing interference to this UE;
In such scheme, the RSRP value that Centralized Controller is just measured according to UE carries out Resourse Distribute, but, the adjacent area larger due to the RSRP value of UE measurement not necessarily produces strong jamming to the transfer of data of this UE, therefore, if in the frequency resource that UE takies, without exception by forbidding that above-mentioned strong signal adjacent area sends data and avoids interference, lower to the utilization ratio of frequency spectrum resource.
Summary of the invention
The embodiment of the present invention provides a kind of resource allocation methods and device, carries out Resourse Distribute, the problem lower to the utilization ratio of frequency spectrum resource in order to solve the RSRP value that in prior art, Centralized Controller is just measured according to UE.
A kind of resource allocation methods that the embodiment of the present invention provides, comprising:
Centralized Controller determines the strong signal adjacent area of at least one user equipment (UE) of each community in multiple community; Wherein, the difference for the Reference Signal Received Power RSRP value of strong signal adjacent area of any one UE, this UE and the RSRP value of the Serving cell of this UE is greater than setting threshold;
Described Centralized Controller is according to the strong signal adjacent area of each UE determined, for each UE determines channel state information reference signals CSI-RS configuration information and channel condition information interferometry CSI-IM configuration information, channel quality indicator (CQI) measurement is carried out to indicate each UE, determine CQI value, and the CQI value determined is reported the evolution base station eNB of this community;
The CQI value of at least one UE that described Centralized Controller sends according to the eNB of each community in described multiple community, for described each UE carries out resource distribution.
Alternatively, the CQI value of at least one UE that described Centralized Controller sends according to the eNB of each community in described multiple community, for described each UE carries out resource distribution, comprising:
For any one UE, the CQI value that described Centralized Controller is determined according to this UE, judges whether that needing to carry out interference to any one UE described avoids;
Described Centralized Controller carries out the strong signal adjacent area distribution situation disturbing the UE avoided according to the needs determined, for described each UE carries out resource distribution, avoid to make to need described in any one to carry out to disturb the strong signal adjacent area of the UE avoided the frequency resource of carrying out disturbing the UE avoided to use at these needs carries out transfer of data.
Alternatively, described Centralized Controller, according to the strong signal adjacent area of each UE determined, for each UE determines CSI-RS configuration information and CSI-IM configuration information, to indicate each UE to carry out CQI measurement, is determined CQI value, being comprised:
Described Centralized Controller is according to the strong signal adjacent area of each UE determined, for each UE determines CSI-RS configuration information, a CSI-IM configuration information and the 2nd CSI-IM configuration information, CQI measurement is carried out according to described CSI-RS configuration information and a CSI-IM configuration information to indicate each UE, determine the first CQI value, and carry out CQI measurement according to described CSI-RS configuration information and the 2nd CSI-IM configuration information, determine the second CQI value;
Wherein, for any one UE, interference value when a described CSI-IM configuration information all sends signal for the adjacent area measuring this UE, described 2nd CSI-IM configuration information is for measuring except the strong signal adjacent area of this UE, and other adjacent area of this UE all sends interference value during signal;
For any one UE, the CQI value that described Centralized Controller is determined according to this UE, judges whether that needing to carry out interference to any one UE described avoids, and comprising:
For any one UE, the first CQI value that described Centralized Controller is determined according to this UE and the second CQI value, determine the difference of described second CQI value and the first CQI value;
If described difference is greater than setting threshold, then determine that needing to carry out interference to any one UE described avoids.
Alternatively, described Centralized Controller, according to the strong signal adjacent area of each UE determined, for each UE determines CSI-RS configuration information and CSI-IM configuration information, to indicate each UE to carry out CQI measurement, comprising:
Described Centralized Controller according to the strong signal adjacent area of each UE determined, for each UE determines CSI-RS configuration information and CSI-IM configuration information, and
The CSI-RS configuration information determined for each UE and CSI-IM configuration information are sent to the service eNB of this UE, the CSI-RS configuration information determined according to described Centralized Controller to make described service eNB and CSI-IM configuration information, determine the CSI-RS configuration information that needs to issue to this UE and CSI-IM configuration information, the CSI-RS configuration information issued according to described service eNB to make this UE and CSI-IM configuration information carry out CQI measurement.
Alternatively, described Centralized Controller, according to described CQI value, before described each UE carries out resource distribution, also comprises:
Described Centralized Controller, according to the CSI-RS configuration information of the eNB transmission of each community in the described multiple community received and CSI-IM configuration information, is determined to need the described CQI value according to receiving to be that described each UE carries out resource distribution.
A kind of resource allocation methods that another embodiment of the present invention provides, comprising:
The channel state information reference signals CSI-RS configuration information of this cell user equipment UE that evolution base station eNB sends according to Centralized Controller and channel condition information interferometry CSI-IM configuration information, determine the CSI-RS configuration information that needs to be handed down to described UE and CSI-IM configuration information;
The described CSI-RS configuration information determined and CSI-IM configuration information are sent to described UE by described eNB, to make described UE carry out CQI measurement according to the CSI-RS configuration information received and CSI-IM configuration information, determine CQI value;
The CQI value that described UE determines is reported described Centralized Controller by described eNB, the CQI value of each UE reported according to described eNB and other eNB to make described Centralized Controller, for described each UE carries out resource distribution.
Alternatively, the CQI value that described UE determines is reported described Centralized Controller by described eNB, comprising:
The CQI value that described UE determines by described eNB, and the CSI-RS configuration information to issue for described UE and CSI-IM configuration information report described Centralized Controller, the CSI-RS configuration information sent according to described eNB to make described Centralized Controller and CSI-IM configuration information determine that the CQI value needing each UE reported according to described eNB and other eNB is that described each UE carries out resource distribution.
A kind of resource allocation methods that another embodiment of the present invention provides, comprising:
User equipment (UE) receives channel state information reference signals CSI-RS configuration information and the channel condition information interferometry CSI-IM configuration information of this community eNB transmission;
Described UE carries out CQI measurement according to described CSI-RS configuration information and CSI-IM configuration information, determines CQI value;
The described CQI value determined is reported described eNB by described UE, to make described eNB, described CQI value is reported Centralized Controller, the CQI value of each UE reported according to described eNB and other eNB by described Centralized Controller, for described each UE carries out resource distribution.
Alternatively, described CSI-IM configuration information comprises a CSI-IM configuration information and the 2nd CSI-IM configuration information; Wherein, interference value when a described CSI-IM configuration information all sends signal for the adjacent area measuring this UE, described 2nd CSI-IM configuration information is for measuring except the strong signal adjacent area of this UE, and other adjacent area of this UE all sends interference value during signal;
Described UE carries out CQI measurement according to described CSI-RS configuration information and CSI-IM configuration information, determines CQI value, comprising:
The CSI-RS configuration information that described UE sends according to described eNB and a CSI-IM configuration information carry out CQI measurement, determine the first CQI value, and the CSI-RS configuration information sent according to described eNB and the 2nd CSI-IM configuration information carry out CQI measurement, determine the second CQI value;
The described CQI value determined is reported described eNB by described UE, comprising:
Described first CQI value determined and the second CQI value are reported described eNB by described UE, to make described eNB, described first CQI value and the second CQI value are reported Centralized Controller, first CQI value of each UE reported according to described eNB and other eNB by described Centralized Controller and the second CQI value, for described each UE carries out resource distribution.
A kind of resource allocation device that the embodiment of the present invention provides, this device is arranged in Centralized Controller, comprising:
First determination module, for determining the strong signal adjacent area of at least one user equipment (UE) of each community in multiple community; Wherein, the difference for the Reference Signal Received Power RSRP value of strong signal adjacent area of any one UE, this UE and the RSRP value of the Serving cell of this UE is greater than setting threshold;
Second determination module, for the strong signal adjacent area of each UE determined according to described first determination module, for each UE determines channel state information reference signals CSI-RS configuration information and channel condition information interferometry CSI-IM configuration information, channel quality indicator (CQI) measurement is carried out to indicate each UE, determine CQI value, and the CQI value determined is reported the evolution base station eNB of this community;
Configuration module, for the CQI value of at least one UE sent according to the eNB of each community in described multiple community, for described each UE carries out resource distribution.
A kind of resource allocation device that another embodiment of the present invention provides, this device is arranged in evolution base station eNB, comprising:
Determination module, for the channel state information reference signals CSI-RS configuration information of this cell user equipment UE that sends according to Centralized Controller and channel condition information interferometry CSI-IM configuration information, determine the CSI-RS configuration information that needs to be handed down to described UE and CSI-IM configuration information;
First sending module, sends to described UE for the described CSI-RS configuration information determined by described determination module and CSI-IM configuration information, to make described UE carry out CQI measurement according to the CSI-RS configuration information received and CSI-IM configuration information, determines CQI value;
Second sending module, the CQI value for being determined by described UE reports described Centralized Controller, with make described Centralized Controller according to described eNB and other
The CQI value of each UE that eNB reports, for described each UE carries out resource distribution.
A kind of resource allocation device that another embodiment of the present invention provides, this device is arranged in user equipment (UE), comprising:
Receiver module, for receiving channel state information reference signals CSI-RS configuration information and the channel condition information interferometry CSI-IM configuration information of this community eNB transmission;
Measurement module, carries out CQI measurement for the CSI-RS configuration information that receives according to described receiver module and CSI-IM configuration information, determines CQI value;
Sending module, described CQI value for being determined by described measurement module reports described eNB, to make described eNB that described CQI value is reported Centralized Controller, the CQI value of each UE reported according to described eNB and other eNB by described Centralized Controller, for described each UE carries out resource distribution.
In the embodiment of the present invention, Centralized Controller can determine the strong signal adjacent area of at least one UE of each community in multiple community, and according to the strong signal adjacent area of each UE determined, for each UE determines CSI-RS configuration information and CSI-IM configuration information, CQI measurement is carried out to indicate each UE, afterwards, the CQI value of the UE that Centralized Controller sends according to the eNB of each community in the multiple communities received, for each UE carries out resource distribution, thus the employing embodiment of the present invention, Centralized Controller is behind the strong signal adjacent area determining UE according to RSRP value, CQI value after can also measuring according to UE, these strong signal adjacent areas of further analysis are to the interference effect degree of UE, can after determining that strong signal adjacent area is comparatively large to the interference effect degree of UE, limit strong signal adjacent area again and use identical resource with this UE, thus it is higher to the utilization ratio of frequency spectrum resource.
Accompanying drawing explanation
The resource allocation methods flow chart that Fig. 1 provides for the embodiment of the present invention one;
The resource allocation methods flow chart that Fig. 2 provides for the embodiment of the present invention two;
The resource allocation methods flow chart that Fig. 3 provides for the embodiment of the present invention three;
The resource allocation methods flow chart that Fig. 4 provides for the embodiment of the present invention four;
The resource allocation device structural representation that Fig. 5 provides for the embodiment of the present invention one;
The resource allocation device structural representation that Fig. 6 provides for the embodiment of the present invention two;
The resource allocation device structural representation that Fig. 7 provides for the embodiment of the present invention three.
Embodiment
In the embodiment of the present invention, Centralized Controller can determine the strong signal adjacent area of at least one UE of each community in multiple community, and according to the strong signal adjacent area of each UE determined, for each UE determines CSI-RS configuration information and CSI-IM configuration information, CQI measurement is carried out to indicate each UE, afterwards, the CQI value of the UE that Centralized Controller sends according to the eNB of each community in the multiple communities received, for each UE carries out resource distribution, thus the employing embodiment of the present invention, Centralized Controller is behind the strong signal adjacent area determining UE according to RSRP value, CQI value after can also measuring according to UE, these strong signal adjacent areas of further analysis are to the interference effect degree of UE, can after determining that strong signal adjacent area is comparatively large to the interference effect degree of UE, limit strong signal adjacent area again and use identical resource with this UE, thus it is higher to the utilization ratio of frequency spectrum resource.
Below in conjunction with Figure of description, the embodiment of the present invention is described in further detail.
As shown in Figure 1, be the resource allocation methods flow chart that the embodiment of the present invention one provides, comprise the following steps:
S101: Centralized Controller determines the strong signal adjacent area of at least one UE of each community in multiple community; Wherein, the difference for the RSRP value of strong signal adjacent area of any one UE, this UE and the RSRP value of the Serving cell of this UE is greater than setting threshold;
S102: described Centralized Controller is according to the strong signal adjacent area of each UE determined, for each UE determines channel state information reference signals (Channel State Information-Reference Signals, CSI-RS configuration information and channel condition information interferometry (Channel State Information-InterferenceMeasurement, CSI-IM) configuration information, channel quality instruction (ChannelsQuality Idication is carried out to indicate each UE, CQI) measure, determine CQI value, and the CQI value determined is reported the eNB of this community;
The CQI value of S103: at least one UE that described Centralized Controller sends according to the evolution base station eNB of each community in described multiple community, for described each UE carries out resource distribution.
Alternatively, the CQI value of at least one UE that described Centralized Controller sends according to the eNB of each community in described multiple community, for described each UE carries out resource distribution, comprising:
For any one UE, the CQI value that described Centralized Controller is determined according to this UE, judges whether that needing to carry out interference to any one UE described avoids;
Described Centralized Controller carries out the strong signal adjacent area distribution situation disturbing the UE avoided according to the needs determined, for described each UE carries out resource distribution, avoid to make to need described in any one to carry out to disturb the strong signal adjacent area of the UE avoided the frequency resource of carrying out disturbing the UE avoided to use at these needs carries out transfer of data.
In the embodiment of the present invention, for any one UE, Centralized Controller is according to the strong signal adjacent area of this UE, for this UE determines CSI-RS and CSI-IM configuration information, such as, UE can according to CSI-RS and CSI-IM configuration information determine strong signal adjacent area send signal time this UE CQI value, and report this community eNB, Centralized Controller is after the CQI value receiving multiple eNB transmission, can in conjunction with the CQI analysis result of the UE of multiple community, for each UE carries out resource distribution, when carrying out resource distribution, can according to the CQI value of UE, determine whether the strong signal adjacent area of UE forms larger signal disturbing to this UE, if the strong signal adjacent area of UE defines larger signal disturbing to this UE really, then can when carrying out resource distribution, reduce as far as possible or avoid strong signal adjacent area to carry out transfer of data in the frequency resource of this UE, here, CSI-RS configuration information can comprise: the running time-frequency resource information taken, the sub-frame information etc. taken, CSI-IM configuration information can comprise: the running time-frequency resource information taken, the sub-frame information etc. taken, here CSI-RS configuration information is used to indicate OFDM (the Orthogonal FrequencyDivision Multiplexing of UE in setting, OFDM) symbol receives useful reference signal, namely indicate UE to estimate at by signal strength signal intensity, CSI-IM configuration information is used to indicate the interference strength that UE estimates adjacent area in the OFDM symbol of setting, when determining CQI value, useful signal intensity can be adopted most to obtain Signal to Interference plus Noise Ratio (Signal to Interference plus Noise Ratio divided by interference strength, and be concrete CQI value according to criterion and quantity SINR), specifically determine that mode has multiple, specifically do not limit in the embodiment of the present invention.
In specific implementation process, Centralized Controller determines that can there be various ways the strong signal adjacent area of at least one UE of each community in multiple community, such as, Centralized Controller can receive this community and the adjacent area RSRP value of this community UE measurement that eNB reports, and this community of the UE reported according to eNB and adjacent area RSRP value, determine the strong signal adjacent area of UE, for another example, eNB can after receiving this community and adjacent area RSRP value that UE reports, determine the strong signal adjacent area of UE, again strong signal neighboring BS information (such as strong signal adjacent area mark) is reported Centralized Controller, like this, Centralized Controller also just directly can receive the strong signal neighboring BS information of UE, and determine that strong signal disturbs adjacent area according to this strong signal neighboring BS information.
Alternatively, described Centralized Controller, according to the strong signal adjacent area of each UE determined, for each UE determines CSI-RS configuration information and CSI-IM configuration information, to indicate each UE to carry out CQI measurement, is determined CQI value, being comprised:
Described Centralized Controller is according to the strong signal adjacent area of each UE determined, for each UE determines CSI-RS configuration information, a CSI-IM configuration information and the 2nd CSI-IM configuration information, CQI measurement is carried out according to described CSI-RS configuration information and a CSI-IM configuration information to indicate each UE, determine the first CQI value, and carry out CQI measurement according to described CSI-RS configuration information and the 2nd CSI-IM configuration information, determine the second CQI value;
Wherein, for any one UE, interference value when a described CSI-IM configuration information all sends signal for the adjacent area measuring this UE, described 2nd CSI-IM configuration information is for measuring except the strong signal adjacent area of this UE, and other adjacent area of this UE all sends interference value during signal;
For any one UE, the CQI value that described Centralized Controller is determined according to this UE, judges whether that needing to carry out interference to any one UE described avoids, and comprising:
For any one UE, the first CQI value that described Centralized Controller is determined according to this UE and the second CQI value, determine the difference of described second CQI value and the first CQI value;
If described difference is greater than setting threshold, then determine that needing to carry out interference to any one UE described avoids.
In specific implementation process, as a kind of execution mode of optimization, two kinds of CSI-IM configuration informations can be configured for each UE, interference strength to this UE when a kind of adjacent area for measuring UE all sends signal, another kind of being used for measures except strong signal adjacent area, interference strength to this UE when other adjacent area of UE all sends signal, combine the useful signal intensity measured according to CSI-RS configuration information again, two kinds of CQI value can be obtained, wherein, the adjacent area that first CQI value is reflected in this UE all sends channel quality during signal, second CQI value reflection is except the strong signal adjacent area of this UE, other adjacent area of this UE all sends channel quality during signal, can compare these two kinds of CQI value, such as, if both differ more (difference of the first CQI value and the second CQI value is greater than setting threshold), illustrate that strong signal adjacent area is here really larger to the interference effect of UE, when carrying out resource distribution, the frequency that will reduce as far as possible or avoid strong signal adjacent area to use at UE carries out transfer of data.
Alternatively, described Centralized Controller, according to the strong signal adjacent area of each UE determined, for each UE determines CSI-RS configuration information and CSI-IM configuration information, to indicate each UE to carry out CQI measurement, comprising:
Described Centralized Controller according to the strong signal adjacent area of each UE determined, for each UE determines CSI-RS configuration information and CSI-IM configuration information, and
The CSI-RS configuration information determined for each UE and CSI-IM configuration information are sent to the service eNB of this UE, the CSI-RS configuration information determined according to described Centralized Controller to make described service eNB and CSI-IM configuration information, determine the CSI-RS configuration information that needs to issue to this UE and CSI-IM configuration information, the CSI-RS configuration information issued according to described service eNB to make this UE and CSI-IM configuration information carry out CQI measurement.
In specific implementation process, Centralized Controller is after sending to eNB by the CSI-RS configuration information determined for UE and CSI-IM configuration information, the CSI-RS configuration information that Centralized Controller can directly send by eNB and CSI-IM configuration information are handed down to this UE, also new CSI-RS configuration information and CSI-IM configuration information can be determined according to this CSI-RS configuration information and CSI-IM configuration information again, such as, choose part CSI-RS configuration information in the CSI-RS configuration information of reception and CSI-IM configuration information and part CSI-IM configuration information as new CSI-RS configuration information and CSI-IM configuration information, also can modify to the CSI-RS configuration information received and CSI-IM configuration information, using amended CSI-RS configuration information and CSI-IM configuration information as new CSI-RS configuration information and CSI-IM configuration information, particularly, such as, from the CSI-RS configuration information received and the sub-frame information that comprises of CSI-IM configuration information selected part sub-frame information as the sub-frame information etc. of new CSI-RS configuration information and CSI-IM configuration information.
Alternatively, described Centralized Controller, according to described CQI value, before described each UE carries out resource distribution, also comprises:
Described Centralized Controller, according to the CSI-RS configuration information of the eNB transmission of each community in the described multiple community received and CSI-IM configuration information, is determined to need the described CQI value according to receiving to be that described each UE carries out resource distribution.
In specific implementation process, if the CSI-RS configuration information that Centralized Controller directly issues by eNB and CSI-IM configuration information send to UE, then can not need to send CSI-RS configuration information and CSI-IM configuration information to Centralized Controller when sending the CQI value that UE measures to Centralized Controller simultaneously, if the CSI-RS configuration information that eNB is handed down to UE is not identical with CSI-IM configuration information with the CSI-RS configuration information that CSI-IM configuration information and Centralized Controller issue, then eNB is while the CQI value measured by UE sends to Centralized Controller, also need to send to Centralized Controller CSI-RS configuration information and the CSI-IM configuration information that this eNB is handed down to UE, correctly parse according to the CSI-RS configuration information of this eNB transmission received and CSI-IM configuration information the CQI value simultaneously received to make Centralized Controller, also be, the CSI-RS configuration information sent according to this eNB and CSI-IM configuration information, determine to need the described CQI value according to receiving to be that described each UE carries out resource distribution.
Based on same inventive concept, the embodiment of the present invention additionally provides the following resource allocation methods based on eNB side and UE side, and embodiment see the above-mentioned resource allocation methods based on Centralized Controller side, can repeat part, repeat no more.
As shown in Figure 2, be the resource allocation methods flow chart that the embodiment of the present invention two provides, comprise:
The channel state information reference signals CSI-RS configuration information of S201: this cell user equipment UE that evolution base station eNB sends according to Centralized Controller and channel condition information interferometry CSI-IM configuration information, determine the CSI-RS configuration information that needs to be handed down to described UE and CSI-IM configuration information;
The described CSI-RS configuration information determined and CSI-IM configuration information are sent to described UE by S202: described eNB, to make described UE carry out CQI measurement according to the CSI-RS configuration information received and CSI-IM configuration information, determine CQI value;
S203: the CQI value that described UE determines is reported described Centralized Controller by described eNB, the CQI value of each UE reported according to described eNB and other eNB to make described Centralized Controller, for described each UE carries out resource distribution.
Alternatively, in step S203, the CQI value that described UE determines is reported described Centralized Controller by described eNB, comprising:
The CQI value that described UE determines by described eNB, and the CSI-RS configuration information to issue for described UE and CSI-IM configuration information report described Centralized Controller, the CSI-RS configuration information sent according to described eNB to make described Centralized Controller and CSI-IM configuration information determine that the CQI value needing each UE reported according to described eNB and other eNB is that described each UE carries out resource distribution.
As shown in Figure 3, be the resource allocation methods flow chart that the embodiment of the present invention three provides, comprise:
S301: user equipment (UE) receives channel state information reference signals CSI-RS configuration information and the channel condition information interferometry CSI-IM configuration information of this community eNB transmission;
S302: described UE carries out CQI measurement according to described CSI-RS configuration information and CSI-IM configuration information, determines CQI value;
The described CQI value determined is reported described eNB by S303: described UE, to make described eNB, described CQI value is reported Centralized Controller, the CQI value of each UE reported according to described eNB and other eNB by described Centralized Controller, for described each UE carries out resource distribution.
Alternatively, described CSI-IM configuration information comprises a CSI-IM configuration information and the 2nd CSI-IM configuration information; Wherein, interference value when a described CSI-IM configuration information all sends signal for the adjacent area measuring this UE, described 2nd CSI-IM configuration information is for measuring except the strong signal adjacent area of this UE, and other adjacent area of this UE all sends interference value during signal;
Described UE carries out CQI measurement according to described CSI-RS configuration information and CSI-IM configuration information, determines CQI value, comprising:
The CSI-RS configuration information that described UE sends according to described eNB and a CSI-IM configuration information carry out CQI measurement, determine the first CQI value, and the CSI-RS configuration information sent according to described eNB and the 2nd CSI-IM configuration information carry out CQI measurement, determine the second CQI value;
The described CQI value determined is reported described eNB by described UE, comprising:
Described first CQI value determined and the second CQI value are reported described eNB by described UE, to make described eNB, described first CQI value and the second CQI value are reported Centralized Controller, first CQI value of each UE reported according to described eNB and other eNB by described Centralized Controller and the second CQI value value, for described each UE carries out resource distribution.
In order to illustrate that the embodiment of the present invention carries out the method for Resourse Distribute better, be described further below by a specific embodiment;
As shown in Figure 4, be the resource allocation methods flow chart that the embodiment of the present invention four provides, comprise:
S401:UE measures this community RSRP and adjacent area RSRP, and the RSRP value measured is reported this community eNB;
The RSRP value that this community UE measures is reported Centralized Controller by S402:eNB;
The RSRP value of S403: this community UE that Centralized Controller reports according to multiple eNB, determine the strong signal adjacent area of each UE, and according to the strong signal adjacent area of each UE determined, for each UE determines CSI-RS configuration information, a CSI-IM configuration information and the 2nd CSI-IM configuration information;
S404: the CSI-RS configuration information determined for each UE, a CSI-IM configuration information and the 2nd CSI-IM configuration information are sent to the service eNB of each UE by Centralized Controller;
S405:eNB is CSI-RS configuration information, a CSI-IM configuration information and the 2nd CSI-IM configuration information that this community UE determines according to Centralized Controller, determine the CSI-RS configuration information, a CSI-IM configuration information and the 2nd CSI-IM configuration information that need to issue to this community UE, and be handed down to this community UE;
S406:UE carries out CQI measurement according to the CSI-RS configuration information received, a CSI-IM configuration information and the 2nd CSI-IM configuration information, determines the first CQI value and the second CQI value, and reports this community eNB;
Here, interference value when a described CSI-IM configuration information all sends signal for the adjacent area measuring this UE, described 2nd CSI-IM configuration information is for measuring except the strong signal adjacent area of this UE, and other adjacent area of this UE all sends interference value during signal; The adjacent area that first CQI value is reflected in this UE all sends channel quality during signal, and the second CQI value reflection is except the strong signal adjacent area of this UE, and other adjacent area of this UE all sends channel quality during signal,
The first CQI value that this community UE reports by S407:eNB and the second CQI value, and be handed down to the CSI-RS configuration information of described UE, a CSI-IM configuration information and the 2nd CSI-IM configuration information and report Centralized Controller;
S408: the first CQI value that this community UE that Centralized Controller reports according to multiple eNB measures and the second CQI value, carries out federated resource distribution to each UE;
S409: resource allocation result is handed down to each eNB by Centralized Controller;
S410:eNB dispatches this community UE according to the resource allocation result of Centralized Controller.
Based on same inventive concept, a kind of resource allocation device corresponding with resource allocation methods is additionally provided in the embodiment of the present invention, the principle of dealing with problems due to this device is similar to embodiment of the present invention resource allocation methods, therefore the enforcement of this device see the enforcement of method, can repeat part and repeats no more.
As shown in Figure 5, be the resource allocation device structural representation that the embodiment of the present invention one provides, this device is arranged at Centralized Controller, comprising:
First determination module 51, for determining the strong signal adjacent area of at least one user equipment (UE) of each community in multiple community; Wherein, the difference for the Reference Signal Received Power RSRP value of strong signal adjacent area of any one UE, this UE and the RSRP value of the Serving cell of this UE is greater than setting threshold;
Second determination module 52, for the strong signal adjacent area of each UE determined according to described first determination module 51, for each UE determines channel state information reference signals CSI-RS configuration information and channel condition information interferometry CSI-IM configuration information, channel quality indicator (CQI) measurement is carried out to indicate each UE, determine CQI value, and the CQI value determined is reported the evolution base station eNB of this community;
Configuration module 53, for the CQI value of at least one UE sent according to the eNB of each community in described multiple community, for described each UE carries out resource distribution.
Alternatively, described configuration module 53 specifically for:
For any one UE, according to the CQI value that this UE determines, judge whether that needing to carry out interference to any one UE described avoids; The strong signal adjacent area distribution situation disturbing the UE avoided is carried out according to the needs determined, for described each UE carries out resource distribution, avoid to make to need described in any one to carry out to disturb the strong signal adjacent area of the UE avoided the frequency resource of carrying out disturbing the UE avoided to use at these needs carries out transfer of data.
Alternatively, described second determination module 52 specifically for: according to the strong signal adjacent area of each UE determined, for each UE determines CSI-RS configuration information, a CSI-IM configuration information and the 2nd CSI-IM configuration information, CQI measurement is carried out according to described CSI-RS configuration information and a CSI-IM configuration information to indicate each UE, determine the first CQI value, and carry out CQI measurement according to described CSI-RS configuration information and the 2nd CSI-IM configuration information, determine the second CQI value;
Wherein, for any one UE, interference value when a described CSI-IM configuration information all sends signal for the adjacent area measuring this UE, described 2nd CSI-IM configuration information is for measuring except the strong signal adjacent area of this UE, and other adjacent area of this UE all sends interference value during signal;
Described configuration module specifically for: for any one UE, the first CQI value determined according to this UE and the second CQI value, determine the difference of described second CQI value and the first CQI value;
If described difference is greater than setting threshold, then determine that needing to carry out interference to any one UE described avoids.
Alternatively, described second determination module 52 specifically for: according to the strong signal adjacent area of each UE that described first determination module 51 is determined, for each UE determines CSI-RS configuration information and CSI-IM configuration information, and
The CSI-RS configuration information determined for each UE and CSI-IM configuration information are sent to the service eNB of this UE, the CSI-RS configuration information determined according to described Centralized Controller to make described service eNB and CSI-IM configuration information, determine the CSI-RS configuration information that needs to issue to this UE and CSI-IM configuration information, the CSI-RS configuration information issued according to described service eNB to make this UE and CSI-IM configuration information carry out CQI measurement.
Alternatively, described configuration module 53 also for: according to described CQI value, before described each UE carries out resource distribution, the CSI-RS configuration information sent according to the eNB of each community in the described multiple community received and CSI-IM configuration information, determine to need the described CQI value according to receiving to be that described each UE carries out resource distribution.
As shown in Figure 6, be the resource allocation device structural representation that the embodiment of the present invention two provides, this device is arranged in evolution base station eNB, comprising:
Determination module 61, for the channel state information reference signals CSI-RS configuration information of this cell user equipment UE that sends according to Centralized Controller and channel condition information interferometry CSI-IM configuration information, determine the CSI-RS configuration information that needs to be handed down to described UE and CSI-IM configuration information;
First sending module 62, sends to described UE for the described CSI-RS configuration information determined by determination module 61 and CSI-IM configuration information, to make described UE carry out CQI measurement according to the CSI-RS configuration information received and CSI-IM configuration information, determines CQI value;
Second sending module 63, the CQI value for being determined by described UE reports described Centralized Controller, the CQI value of each UE reported according to described eNB and other eNB to make described Centralized Controller, for described each UE carries out resource distribution.
Alternatively, described second sending module 63 is specifically for the CQI value determined by described UE, and the CSI-RS configuration information to issue for described UE and CSI-IM configuration information report described Centralized Controller, the CSI-RS configuration information sent according to described eNB to make described Centralized Controller and CSI-IM configuration information determine that the CQI value needing each UE reported according to described eNB and other eNB is that described each UE carries out resource distribution.
As shown in Figure 7, be the resource allocation device structural representation that the embodiment of the present invention three provides, this device is arranged in user equipment (UE), comprising:
Receiver module 71, for receiving channel state information reference signals CSI-RS configuration information and the channel condition information interferometry CSI-IM configuration information of this community eNB transmission;
Measurement module 72, carries out CQI measurement for the CSI-RS configuration information that receives according to described receiver module 71 and CSI-IM configuration information, determines CQI value;
Sending module 73, described CQI value for being determined by described measurement module 72 reports described eNB, to make described eNB, described CQI value is reported Centralized Controller, the CQI value of each UE reported according to described eNB and other eNB by described Centralized Controller, for described each UE carries out resource distribution.
Alternatively, described CSI-IM configuration information comprises a CSI-IM configuration information and the 2nd CSI-IM configuration information; Wherein, interference value when a described CSI-IM configuration information all sends signal for the adjacent area measuring this UE, described 2nd CSI-IM configuration information is for measuring except the strong signal adjacent area of this UE, and other adjacent area of this UE all sends interference value during signal;
Described measurement module 72 specifically for: the CSI-RS configuration information sent according to described eNB and a CSI-IM configuration information carry out CQI measurement, determine the first CQI value, and the CSI-RS configuration information sent according to described eNB and the 2nd CSI-IM configuration information carry out CQI measurement, determine the second CQI value;
Described sending module 73 specifically for: described first CQI value determined by described measurement module 72 and the second CQI value report described eNB, to make described eNB, described first CQI value and the second CQI value are reported Centralized Controller, first CQI value of each UE reported according to described eNB and other eNB by described Centralized Controller and the second CQI value, for described each UE carries out resource distribution.
Those skilled in the art should understand, embodiments of the invention can be provided as method, system or computer program.Therefore, the present invention can adopt the form of complete hardware embodiment, completely software implementation or the embodiment in conjunction with software and hardware aspect.And the present invention can adopt in one or more form wherein including the upper computer program implemented of computer-usable storage medium (including but not limited to magnetic disc store, CD-ROM, optical memory etc.) of computer usable program code.
The present invention describes with reference to according to the flow chart of the method for the embodiment of the present invention, device (system) and computer program and/or block diagram.Should understand can by the combination of the flow process in each flow process in computer program instructions realization flow figure and/or block diagram and/or square frame and flow chart and/or block diagram and/or square frame.These computer program instructions can being provided to the processor of all-purpose computer, special-purpose computer, Embedded Processor or other programmable data processing device to produce a machine, making the instruction performed by the processor of computer or other programmable data processing device produce device for realizing the function of specifying in flow chart flow process or multiple flow process and/or block diagram square frame or multiple square frame.
These computer program instructions also can be stored in can in the computer-readable memory that works in a specific way of vectoring computer or other programmable data processing device, the instruction making to be stored in this computer-readable memory produces the manufacture comprising command device, and this command device realizes the function of specifying in flow chart flow process or multiple flow process and/or block diagram square frame or multiple square frame.
These computer program instructions also can be loaded in computer or other programmable data processing device, make on computer or other programmable devices, to perform sequence of operations step to produce computer implemented process, thus the instruction performed on computer or other programmable devices is provided for the step realizing the function of specifying in flow chart flow process or multiple flow process and/or block diagram square frame or multiple square frame.
Although describe the preferred embodiments of the present invention, those skilled in the art once obtain the basic creative concept of cicada, then can make other change and amendment to these embodiments.So claims are intended to be interpreted as comprising preferred embodiment and falling into all changes and the amendment of the scope of the invention.
Obviously, those skilled in the art can carry out various change and modification to the present invention and not depart from the spirit and scope of the present invention.Like this, if these amendments of the present invention and modification belong within the scope of the claims in the present invention and equivalent technologies thereof, then the present invention is also intended to comprise these change and modification.
Claims (18)
1. a resource allocation methods, is characterized in that, the method comprises:
Centralized Controller determines the strong signal adjacent area of at least one user equipment (UE) of each community in multiple community; Wherein, the difference for the Reference Signal Received Power RSRP value of strong signal adjacent area of any one UE, this UE and the RSRP value of the Serving cell of this UE is greater than setting threshold;
Described Centralized Controller is according to the strong signal adjacent area of each UE determined, for each UE determines channel state information reference signals CSI-RS configuration information and channel condition information interferometry CSI-IM configuration information, channel quality indicator (CQI) measurement is carried out to indicate each UE, determine CQI value, and the CQI value determined is reported the evolution base station eNB of this community;
The CQI value of at least one UE that described Centralized Controller sends according to the eNB of each community in described multiple community, for described each UE carries out resource distribution.
2. the method for claim 1, is characterized in that, the CQI value of at least one UE that described Centralized Controller sends according to the eNB of each community in described multiple community, for described each UE carries out resource distribution, comprising:
For any one UE, the CQI value that described Centralized Controller is determined according to this UE, judges whether that needing to carry out interference to any one UE described avoids;
Described Centralized Controller carries out the strong signal adjacent area distribution situation disturbing the UE avoided according to the needs determined, for described each UE carries out resource distribution, avoid to make to need described in any one to carry out to disturb the strong signal adjacent area of the UE avoided the frequency resource of carrying out disturbing the UE avoided to use at these needs carries out transfer of data.
3. method as claimed in claim 2, it is characterized in that, described Centralized Controller is according to the strong signal adjacent area of each UE determined, for each UE determines CSI-RS configuration information and CSI-IM configuration information, to indicate each UE to carry out CQI measurement, determine CQI value, comprising:
Described Centralized Controller is according to the strong signal adjacent area of each UE determined, for each UE determines CSI-RS configuration information, a CSI-IM configuration information and the 2nd CSI-IM configuration information, CQI measurement is carried out according to described CSI-RS configuration information and a CSI-IM configuration information to indicate each UE, determine the first CQI value, and carry out CQI measurement according to described CSI-RS configuration information and the 2nd CSI-IM configuration information, determine the second CQI value;
Wherein, for any one UE, interference value when a described CSI-IM configuration information all sends signal for the adjacent area measuring this UE, described 2nd CSI-IM configuration information is for measuring except the strong signal adjacent area of this UE, and other adjacent area of this UE all sends interference value during signal;
For any one UE, the CQI value that described Centralized Controller is determined according to this UE, judges whether that needing to carry out interference to any one UE described avoids, and comprising:
For any one UE, the first CQI value that described Centralized Controller is determined according to this UE and the second CQI value, determine the difference of described second CQI value and the first CQI value;
If described difference is greater than setting threshold, then determine that needing to carry out interference to any one UE described avoids.
4. the method as described in as arbitrary in claims 1 to 3, it is characterized in that, described Centralized Controller, according to the strong signal adjacent area of each UE determined, for each UE determines CSI-RS configuration information and CSI-IM configuration information, to indicate each UE to carry out CQI measurement, comprising:
Described Centralized Controller according to the strong signal adjacent area of each UE determined, for each UE determines CSI-RS configuration information and CSI-IM configuration information, and
The CSI-RS configuration information determined for each UE and CSI-IM configuration information are sent to the service eNB of this UE, the CSI-RS configuration information determined according to described Centralized Controller to make described service eNB and CSI-IM configuration information, determine the CSI-RS configuration information that needs to issue to this UE and CSI-IM configuration information, the CSI-RS configuration information issued according to described service eNB to make this UE and CSI-IM configuration information carry out CQI measurement.
5. method as claimed in claim 4, is characterized in that, described Centralized Controller, according to described CQI value, before described each UE carries out resource distribution, also comprises:
Described Centralized Controller, according to the CSI-RS configuration information of the eNB transmission of each community in the described multiple community received and CSI-IM configuration information, is determined to need the described CQI value according to receiving to be that described each UE carries out resource distribution.
6. a resource allocation methods, is characterized in that, the method comprises:
The channel state information reference signals CSI-RS configuration information of this cell user equipment UE that evolution base station eNB sends according to Centralized Controller and channel condition information interferometry CSI-IM configuration information, determine the CSI-RS configuration information that needs to be handed down to described UE and CSI-IM configuration information;
The described CSI-RS configuration information determined and CSI-IM configuration information are sent to described UE by described eNB, to make described UE carry out CQI measurement according to the CSI-RS configuration information received and CSI-IM configuration information, determine CQI value;
The CQI value that described UE determines is reported described Centralized Controller by described eNB, the CQI value of each UE reported according to described eNB and other eNB to make described Centralized Controller, for described each UE carries out resource distribution.
7. method as claimed in claim 6, it is characterized in that, the CQI value that described UE determines is reported described Centralized Controller by described eNB, comprising:
The CQI value that described UE determines by described eNB, and the CSI-RS configuration information to issue for described UE and CSI-IM configuration information report described Centralized Controller, the CSI-RS configuration information sent according to described eNB to make described Centralized Controller and CSI-IM configuration information determine that the CQI value needing each UE reported according to described eNB and other eNB is that described each UE carries out resource distribution.
8. a resource allocation methods, is characterized in that, the method comprises:
User equipment (UE) receives channel state information reference signals CSI-RS configuration information and the channel condition information interferometry CSI-IM configuration information of this community evolution base station eNB transmission;
Described UE carries out CQI measurement according to described CSI-RS configuration information and CSI-IM configuration information, determines CQI value;
The described CQI value determined is reported described eNB by described UE, to make described eNB, described CQI value is reported Centralized Controller, the CQI value of each UE reported according to described eNB and other eNB by described Centralized Controller, for described each UE carries out resource distribution.
9. method as claimed in claim 8, it is characterized in that, described CSI-IM configuration information comprises a CSI-IM configuration information and the 2nd CSI-IM configuration information; Wherein, interference value when a described CSI-IM configuration information all sends signal for the adjacent area measuring this UE, described 2nd CSI-IM configuration information is for measuring except the strong signal adjacent area of this UE, and other adjacent area of this UE all sends interference value during signal;
Described UE carries out CQI measurement according to described CSI-RS configuration information and CSI-IM configuration information, determines CQI value, comprising:
The CSI-RS configuration information that described UE sends according to described eNB and a CSI-IM configuration information carry out CQI measurement, determine the first CQI value, and the CSI-RS configuration information sent according to described eNB and the 2nd CSI-IM configuration information carry out CQI measurement, determine the second CQI value;
The described CQI value determined is reported described eNB by described UE, comprising:
Described first CQI value determined and the second CQI value are reported described eNB by described UE, to make described eNB, described first CQI value and the second CQI value are reported Centralized Controller, first CQI value of each UE reported according to described eNB and other eNB by described Centralized Controller and the second CQI value, for described each UE carries out resource distribution.
10. a resource allocation device, is characterized in that, this device is arranged in Centralized Controller, comprising:
First determination module, for determining the strong signal adjacent area of at least one user equipment (UE) of each community in multiple community; Wherein, the difference for the Reference Signal Received Power RSRP value of strong signal adjacent area of any one UE, this UE and the RSRP value of the Serving cell of this UE is greater than setting threshold;
Second determination module, for the strong signal adjacent area of each UE determined according to described first determination module, for each UE determines channel state information reference signals CSI-RS configuration information and channel condition information interferometry CSI-IM configuration information, channel quality indicator (CQI) measurement is carried out to indicate each UE, determine CQI value, and the CQI value determined is reported the evolution base station eNB of this community;
Configuration module, for the CQI value of at least one UE sent according to the eNB of each community in described multiple community, for described each UE carries out resource distribution.
11. devices as claimed in claim 10, is characterized in that, described configuration module specifically for:
For any one UE, according to the CQI value that this UE determines, judge whether that needing to carry out interference to any one UE described avoids; The strong signal adjacent area distribution situation disturbing the UE avoided is carried out according to the needs determined, for described each UE carries out resource distribution, avoid to make to need described in any one to carry out to disturb the strong signal adjacent area of the UE avoided the frequency resource of carrying out disturbing the UE avoided to use at these needs carries out transfer of data.
12. devices as claimed in claim 11, it is characterized in that, described second determination module specifically for: according to the strong signal adjacent area of each UE determined, for each UE determines CSI-RS configuration information, a CSI-IM configuration information and the 2nd CSI-IM configuration information, CQI measurement is carried out according to described CSI-RS configuration information and a CSI-IM configuration information to indicate each UE, determine the first CQI value, and carry out CQI measurement according to described CSI-RS configuration information and the 2nd CSI-IM configuration information, determine the second CQI value;
Wherein, for any one UE, interference value when a described CSI-IM configuration information all sends signal for the adjacent area measuring this UE, described 2nd CSI-IM configuration information is for measuring except the strong signal adjacent area of this UE, and other adjacent area of this UE all sends interference value during signal;
Described configuration module specifically for: for any one UE, the first CQI value determined according to this UE and the second CQI value, determine the difference of described second CQI value and the first CQI value;
If described difference is greater than setting threshold, then determine that needing to carry out interference to any one UE described avoids.
13. as arbitrary in claim 10 ~ 12 as described in device, it is characterized in that, described second determination module specifically for: according to the strong signal adjacent area of each UE that described first determination module is determined, for each UE determines CSI-RS configuration information and CSI-IM configuration information, and
The CSI-RS configuration information determined for each UE and CSI-IM configuration information are sent to the service eNB of this UE, the CSI-RS configuration information determined according to described Centralized Controller to make described service eNB and CSI-IM configuration information, determine the CSI-RS configuration information that needs to issue to this UE and CSI-IM configuration information, the CSI-RS configuration information issued according to described service eNB to make this UE and CSI-IM configuration information carry out CQI measurement.
14. devices as claimed in claim 13, it is characterized in that, described configuration module also for: according to described CQI value, before described each UE carries out resource distribution, the CSI-RS configuration information sent according to the eNB of each community in the described multiple community received and CSI-IM configuration information, determine to need the described CQI value according to receiving to be that described each UE carries out resource distribution.
15. 1 kinds of resource allocation devices, is characterized in that, this device is arranged in evolution base station eNB, comprising:
Determination module, for the channel state information reference signals CSI-RS configuration information of this cell user equipment UE that sends according to Centralized Controller and channel condition information interferometry CSI-IM configuration information, determine the CSI-RS configuration information that needs to be handed down to described UE and CSI-IM configuration information;
First sending module, sends to described UE for the described CSI-RS configuration information determined by described determination module and CSI-IM configuration information, to make described UE carry out CQI measurement according to the CSI-RS configuration information received and CSI-IM configuration information, determines CQI value;
Second sending module, the CQI value for being determined by described UE reports described Centralized Controller, the CQI value of each UE reported according to described eNB and other eNB to make described Centralized Controller, for described each UE carries out resource distribution.
16. devices as claimed in claim 15, it is characterized in that, described second sending module is specifically for the CQI value determined by described UE, and the CSI-RS configuration information to issue for described UE and CSI-IM configuration information report described Centralized Controller, the CSI-RS configuration information sent according to described eNB to make described Centralized Controller and CSI-IM configuration information determine that the CQI value needing each UE reported according to described eNB and other eNB is that described each UE carries out resource distribution.
17. 1 kinds of resource allocation devices, is characterized in that, this device is arranged in user equipment (UE), comprising:
Receiver module, for receiving channel state information reference signals CSI-RS configuration information and the channel condition information interferometry CSI-IM configuration information of this community eNB transmission;
Measurement module, carries out CQI measurement for the CSI-RS configuration information that receives according to described receiver module and CSI-IM configuration information, determines CQI value;
Sending module, described CQI value for being determined by described measurement module reports described eNB, to make described eNB that described CQI value is reported Centralized Controller, the CQI value of each UE reported according to described eNB and other eNB by described Centralized Controller, for described each UE carries out resource distribution.
18. devices as claimed in claim 17, is characterized in that, described CSI-IM configuration information comprises a CSI-IM configuration information and the 2nd CSI-IM configuration information; Wherein, interference value when a described CSI-IM configuration information all sends signal for the adjacent area measuring this UE, described 2nd CSI-IM configuration information is for measuring except the strong signal adjacent area of this UE, and other adjacent area of this UE all sends interference value during signal;
Described measurement module specifically for: the CSI-RS configuration information sent according to described eNB and a CSI-IM configuration information carry out CQI measurement, determine the first CQI value, and the CSI-RS configuration information sent according to described eNB and the 2nd CSI-IM configuration information carry out CQI measurement, determine the second CQI value;
Described sending module specifically for: described first CQI value determined by described measurement module and the second CQI value report described eNB, to make described eNB, described first CQI value and the second CQI value are reported Centralized Controller, first CQI value of each UE reported according to described eNB and other eNB by described Centralized Controller and the second CQI value, for described each UE carries out resource distribution.
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